Table 1.
Computed sample size, estimated power, and simulated power when the slope difference β1D = 0.50, sample size ratio r = 1, Type I error α = 0.05, and nominal power 1−β = 0.80.
Table 2.
Computed sample size, estimated power, and simulated power when the slope difference β1D = 0.50, sample size ratio r = 3, Type I error α = 0.05, and nominal power 1−β = 0.80.
Table 3.
Computed sample size, estimated power, and simulated power when the slope difference β1D = 0.75, sample size ratio r = 1, Type I error α = 0.05, and nominal power 1−β = 0.80.
Table 4.
Computed sample size, estimated power, and simulated power when the slope difference β1D = 0.75, sample size ratio r = 3, Type I error α = 0.05, and nominal power 1−β = 0.80.
Table 5.
Computed sample size, estimated power, and simulated power when the slope difference β1D = 1.00, sample size ratio r = 1, Type I error α = 0.05, and nominal power 1−β = 0.80.
Table 6.
Computed sample size, estimated power, and simulated power when the slope difference β1D = 1.00, sample size ratio r = 3, Type I error α = 0.05, and nominal power 1−β = 0.80.